tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0066f1b0e27556381402db3ff31f85d2a2265858
commit: dd03762ab608e058c8f390ad9cf667e490089796 arm64: Enable KCSAN
date: 9 months ago
config: arm64-randconfig-r031-20220908
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dd03762ab608e058c8f390ad9cf667e490089796
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout dd03762ab608e058c8f390ad9cf667e490089796
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: __tsan_memcpy
>>> referenced by main.c
>>> main.o:(do_one_initcall) in archive init/built-in.a
>>> referenced by main.c
>>> main.o:(setup_command_line) in archive init/built-in.a
>>> referenced by initramfs.c
>>> initramfs.o:(panic_show_mem) in archive init/built-in.a
>>> referenced 4283 more times
--
>> ld.lld: error: undefined symbol: __tsan_memset
>>> referenced by main.c
>>> main.o:(init_setup) in archive init/built-in.a
>>> referenced by main.c
>>> main.o:(rdinit_setup) in archive init/built-in.a
>>> referenced by do_mounts_rd.c
>>> do_mounts_rd.o:(identify_ramdisk_image) in archive init/built-in.a
>>> referenced 6155 more times
--
>> ld.lld: error: undefined symbol: __tsan_memmove
>>> referenced by main.c
>>> main.o:(repair_env_string) in archive init/built-in.a
>>> referenced by range.c
>>> range.o:(add_range_with_merge) in archive kernel/built-in.a
>>> referenced by printk.c
>>> printk/printk.o:(vprintk_store) in archive kernel/built-in.a
>>> referenced 252 more times
--
0-DAY CI Kernel Test Service
https://01.org/lkp
This is being fixed:
https://lore.kernel.org/all/[email protected]/T/#u
This is an extremely fresh version of Clang, which has no release yet.
So the report is not urgent.
On Thu, 8 Sept 2022 at 14:33, kernel test robot <[email protected]> wrote:
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 0066f1b0e27556381402db3ff31f85d2a2265858
> commit: dd03762ab608e058c8f390ad9cf667e490089796 arm64: Enable KCSAN
> date: 9 months ago
> config: arm64-randconfig-r031-20220908
> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # install arm64 cross compiling tool for clang build
> # apt-get install binutils-aarch64-linux-gnu
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dd03762ab608e058c8f390ad9cf667e490089796
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout dd03762ab608e058c8f390ad9cf667e490089796
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <[email protected]>
>
> All errors (new ones prefixed by >>):
>
> >> ld.lld: error: undefined symbol: __tsan_memcpy
> >>> referenced by main.c
> >>> main.o:(do_one_initcall) in archive init/built-in.a
> >>> referenced by main.c
> >>> main.o:(setup_command_line) in archive init/built-in.a
> >>> referenced by initramfs.c
> >>> initramfs.o:(panic_show_mem) in archive init/built-in.a
> >>> referenced 4283 more times
> --
> >> ld.lld: error: undefined symbol: __tsan_memset
> >>> referenced by main.c
> >>> main.o:(init_setup) in archive init/built-in.a
> >>> referenced by main.c
> >>> main.o:(rdinit_setup) in archive init/built-in.a
> >>> referenced by do_mounts_rd.c
> >>> do_mounts_rd.o:(identify_ramdisk_image) in archive init/built-in.a
> >>> referenced 6155 more times
> --
> >> ld.lld: error: undefined symbol: __tsan_memmove
> >>> referenced by main.c
> >>> main.o:(repair_env_string) in archive init/built-in.a
> >>> referenced by range.c
> >>> range.o:(add_range_with_merge) in archive kernel/built-in.a
> >>> referenced by printk.c
> >>> printk/printk.o:(vprintk_store) in archive kernel/built-in.a
> >>> referenced 252 more times
>
> --
> 0-DAY CI Kernel Test Service
> https://01.org/lkp